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56965568 = 261180917
BaseRepresentation
bin1101100101001…
…1100111000000
310222012011001212
43121103213000
5104040344233
65352545252
71261125242
oct331234700
9128164055
1056965568
112a179090
12170b2228
13ba56a4a
1477cc092
155003a48
hex36539c0

56965568 has 28 divisors (see below), whose sum is σ = 123319032. Its totient is φ = 25893120.

The previous prime is 56965567. The next prime is 56965577. The reversal of 56965568 is 86556965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56965561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39755 + ... + 41162.

Almost surely, 256965568 is an apocalyptic number.

It is an amenable number.

56965568 is an abundant number, since it is smaller than the sum of its proper divisors (66353464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56965568 is a wasteful number, since it uses less digits than its factorization.

56965568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80940 (or 80930 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 50.

The square root of 56965568 is about 7547.5537758932. The cubic root of 56965568 is about 384.7726053604.

The spelling of 56965568 in words is "fifty-six million, nine hundred sixty-five thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 80917 161834 323668 647336 890087 1294672 1780174 2589344 3560348 5178688 7120696 14241392 28482784 56965568